Scaling Numbers for the Axoloti

The Axoloti does not have a built in scale the way Max/MSP or PD does, however, that doesn’t mean you are stuck with 0-64 or -64-64.  Good old fashion math goes a long way when using the Axoloti and trying to control different parameters.

For unipolar dials, they go from 0-64 which can be used in its unaltered state for a variety of things, but to expand the range or scale the range dividing by 64 and then multiplying by the highest number you want will scale the dial to the range of 0 – N.  From here we can use a convert i to convert from a fractional number (frac32) to an integer for different control.

The idiosyncrasy with this method is the larger the range the bigger the step.  This means that if the range is from 0 – 1000 the step is 7-8.  When the range is smaller, lets say 0-100, the step size is 1.  There is a point in which the numbers will start to turn negative.  I do not know why this happens. It seems to cap out at 999  If I figure it out, I will update this post.

For bipolar dials the range is from -64 -64.  This can increase the range of numbers or make the step size a little smaller.  To work with these sliders, by adding 64 it takes the range from 0 – 128.  Then by dividing by 128 and multiplying by the maximum number you want, you can get an appropriate range of output.

In the axoloti environment many of the inputs get added to the the dial from the object.  This means that the number the object is receiving is potentially more than what you think.  To compensate for this, I leave the dial that is built into the object at 0 so most of the control is from the dial.  I will then use the objects dial for fine tuning different parameters.


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